| [GMCnet] 78 Royale starting issue [message #240574] |
Thu, 20 February 2014 09:05  |
glwgmc
Messages: 1014
Registered: June 2004
Karma:
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Senior Member |
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Hi,
We are in Mexico at the moment so don't know when this email might go out, but we had a similar issue on our way south. Turned out to be the starter solenoid for us but here is my suggestion for diagnosing/fixing while on the road.
1) stop by an auto parts store parking over a parking lot drain so you can get under the coach to reach the starter of necessary.
2) at the top side of the steering column near the floor is a switch with two purple wires on one connector. One of those purple wires comes from the start terminal on the key switch carrying 12vdc when the key is in the start position. Check with a meter to find that 12vdc hot wire. The other wire goes directly to the starter solenoid to energize the starter. The switch those two purple wires plugs in to is the neutral safety start switch that is there to prevent the coach from starting unless you are in park or neutral.
3) if you do not find 12vdc on one of those two wires then the key switch is suspect and you will need to buy a piece of 12ga wire to "hot wire" the coach to get it to start. Be careful to be in neutral or park!
4) if you do find 12vdc on one of those wires, then buy two male clamp on spade terminals and a short piece of 12ga wire to make a jumper to bypass the neutral safety switch. Again, be careful to start only while in park or neutral.
5) if the starter solenoid still does not energize the starter with this jumper in place, then either the purple wire going from the neutral safety switch to the starter solenoid is broken or shorted, or you will need to replace the solenoid and/or the starter. Either way you need to crawl under the coach with a volt meter. Be sure you are in park with the e-brake set! Remove the wire going to the solenoid and see if you have 12vdc when the key is in the start position. Is you do, replace the solenoid and/or the starter.
Our 3 year old solenoid was junk inside. Cleaned up the terminals and it worked again but it will get changed when we get back home. Hope this helps. Enjoy your new coach. She will give you years of smiles once you work out irritants like this.
Jerry
Jerry Work
The Dovetail Joint
Fine furniture designed & hand crafted
in the 1907 former Masonic Temple building
in historic Kerby, OR
http://jerrywork.com
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Jerry & Sharon Work
78 Royale
Kerby, OR
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